mirror of https://github.com/JorjBauer/aiie.git
65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
#include <stdio.h>
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#include <time.h>
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#include <string.h>
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#include "cpu.h"
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#include "mmu.h"
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#ifdef BASICTEST
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#include "6502_functional_test.h"
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#elif defined(VERBOSETEST)
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#include "6502_functional_test_2.h"
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#elif defined(EXTENDEDTEST)
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#include "65C02_extended_opcodes_test.h"
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#else
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#error undefined test - specify one of BASICTEST, VERBOSETEST, or EXTENDEDTEST
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#endif
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class TestMMU : public MMU {
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public:
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TestMMU() {}
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virtual ~TestMMU() {}
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virtual void Reset() {}
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virtual uint8_t read(uint16_t mem) { if (mem == 0xBFF0) { return 'R'; } return ram[mem];}
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virtual void write(uint16_t mem, uint8_t val) {
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if (mem == 0xBFF0) {printf("%c", val); return;}
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if (mem == 0x200) {printf("Start test %d\n", val);}
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ram[mem] = val;}
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virtual uint8_t readDirect(uint16_t address, uint8_t fromPage) { return read(address);}
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uint8_t ram[65536];
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};
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Cpu cpu;
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TestMMU mmu;
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int main(int argc, char *argv[])
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{
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cpu.SetMMU(&mmu);
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cpu.rst();
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// Load the 6502 functional test
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memcpy(mmu.ram, functest, 0x10000);
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cpu.pc = 0x400;
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// cpu.Reset();
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time_t startTime = time(NULL);
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// call cpu.Run() in the worst possible way (most overhead)
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for (uint32_t i=0; i<1000000000; i++) {
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cpu.Run(1);
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#if 0
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if (cpu.pc < 0x477F) {
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printf("%llu OP $%.2X #%d 0x%.2X X 0x%.2X Y 0x%.2X A 0x%.2X SP 0x%.2X S 0x%.2X\n", cpu.cycles, mmu.read(cpu.pc), mmu.read(0x200), cpu.pc, cpu.x, cpu.y, cpu.a, cpu.sp, cpu.flags);
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}
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#endif
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}
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time_t endTime = time(NULL);
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printf("%ld seconds\n", endTime - startTime);
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printf("Ending PC: 0x%X\n", cpu.pc);
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}
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